CVE-2025-37800: driver core: fix potential NULL pointer dereference in dev_uevent()

mediumCVSS 5.5CVE-2025-37800

CSIRTS triage

vendor: Linux product: Linux kernel Denial of service

What: Device core driver contains a potential NULL pointer dereference in dev_uevent() that can crash the kernel.
Who is affected: Linux systems with affected kernel versions.
Urgency: Medium priority; causes kernel crash but requires specific event conditions to trigger.
Action: Apply Linux kernel patch fixing NULL pointer check in dev_uevent().

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 5.5
Published: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-37800

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2025-378000.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2025-37800	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

high[UPDATE] [high] Dell PowerProtect Data Domain OS: Multiple vulnerabilitiescert-bund
high[UPDATE] [high] Linux Kernel: Multiple vulnerabilities allow denial of servicecert-bund

Recent advisories for driver core

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